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Mould Removal in Merthyr Tydfil

Quick answer

2 verified specialists are based within 25 miles of Merthyr Tydfil, and 11 more cover the area from further away. The nearest is The Veteran Survey Company (Trading name of The Veteran Building Company Ltd, based in Bridgend — about 17 miles from Merthyr Tydfil.

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Condensation risk this week in Wales

1 night of high condensation risk is forecast in the next 6 days, and 4 nights of moderate risk.

  • SatModerate2°C
  • SunModerate6°C
  • MonModerate4°C
  • TueHigh4°C
  • WedLow3°C
  • ThuModerate0°C

From the forecast overnight low and average humidity (Open-Meteo): colder, more humid nights make condensation on walls and windows more likely. It is a guide to the weather, not a reading of any particular home. What stops it →

Damp & Mould in Merthyr Tydfil’s Housing Stock

Merthyr Tydfil was one of the birthplaces of the Industrial Revolution in South Wales, and its rental stock is dominated by dense Victorian terraces built for ironworks and coal-mining families on the valley's steep sides.

Recognised high deprivation in the town correlates with reduced landlord reinvestment, a contributor to above-average rates of poor-condition private rented housing in the valleys.

Mould & damp specialists near Merthyr Tydfil

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Based near Merthyr Tydfil

Also cover Merthyr Tydfil

Services Available in Merthyr Tydfil

Mould Removal

Independent Damp Surveys

Damp Proofing

Condensation Control & Ventilation

Structural Damp & Waterproofing

Merthyr Tydfil in numbers: homes, flood risk and rainfall

Housing and flood figures are for the whole Merthyr Tydfil local authority area, which is wider than the built-up area alone. Rainfall is the nearest Met Office station's reading.

Homes in Merthyr Tydfil

Households renting privately
15.4%
lower than Wales (17%)
Households in social housing
21.8%
higher than Wales (16.5%)
Terraced homes
47.3%
higher than Wales (26.6%)
Flats
6.6%
lower than Wales (11.7%)
No central heating
0.8%
lower than Wales (1.2%)
Overcrowded households
2.5%
about the same as Wales (2.2%)

Flood risk in Merthyr Tydfil

Homes at medium or high flood risk: rivers and sea
2%
about the same as Wales (2.1%)
Homes at medium or high flood risk: surface water
8.5%
higher than Wales (3.9%)

Residential properties at medium or high risk (a 1% or greater chance in any year, with flood defences taken into account) as a share of households. A home at risk from both rivers and the sea counts in both.

Rainfall near Merthyr Tydfil, 1991–2020 average

Average rainfall a year
1,716 mm
Tredegar station, about 6 miles from Merthyr Tydfil

Sources: ONS Census 2021; Natural Resources Wales flood risk assessment, 2025 (via StatsWales); Met Office climate averages.

Mould and damp help near Merthyr Tydfil

If you cannot find the right firm in Merthyr Tydfil, these are the closest places we list specialists for. Distances are in a straight line from the town or borough centre.

Guides

How to find a reliable mould removal specialist near you →How much does mould removal cost? →

Awaab’s Law applies in England only. In Wales, the Renting Homes (Wales) Act 2016 makes fitness for human habitation, including freedom from damp and mould, an implied term of every occupation contract. Read the Awaab’s Law guide →

Merthyr Tydfil mould and damp: local answers

How many verified mould specialists cover Merthyr Tydfil?
2 verified mould specialists are based within 25 miles of Merthyr Tydfil, and 11 more cover the area from further away.
Who is the nearest verified mould specialist to Merthyr Tydfil?
The Veteran Survey Company (Trading name of The Veteran Building Company Ltd, based in Bridgend, is the nearest — about 17 miles in a straight line from the centre of Merthyr Tydfil.View The Veteran Survey Company (Trading name of The Veteran Building Company Ltd's profile →
Which services do specialists covering Merthyr Tydfil offer?
Of the 13 verified specialists listed for Merthyr Tydfil, 13 offer mould removal, 8 offer condensation control & ventilation, 6 offer independent damp surveys, 4 offer structural damp & waterproofing and 3 offer damp proofing. A specialist can offer several.
What kind of damp problems are common in Merthyr Tydfil?
Merthyr Tydfil was one of the birthplaces of the Industrial Revolution in South Wales, and its rental stock is dominated by dense Victorian terraces built for ironworks and coal-mining families on the valley's steep sides. Recognised high deprivation in the town correlates with reduced landlord reinvestment, a contributor to above-average rates of poor-condition private rented housing in the valleys.
How many homes in Merthyr Tydfil are rented?
In Merthyr Tydfil, 15.4% of households (about 4,000 homes) rent privately and 21.8% rent from a council or housing association. Across Wales the figures are 17% and 16.5%. A private tenant who cannot get damp or mould dealt with can ask Merthyr Tydfil's housing or environmental health team to inspect, as it can act on damp and mould as hazards.Source: ONS Census 2021 ↗
What kind of homes are there in Merthyr Tydfil?
Across Merthyr Tydfil, 47.3% of homes are terraced (Wales: 26.6%) and 6.6% are flats (Wales: 11.7%). 0.8% of households have no central heating (Wales: 1.2%) and 2.5% have fewer bedrooms than they need (Wales: 2.2%).Source: ONS Census 2021 ↗
Is Merthyr Tydfil at risk of flooding?
In Merthyr Tydfil, 2% of homes are in areas at medium or high risk (a 1% or greater chance in any year) of flooding from rivers or the sea (Wales: 2.1%) and 8.5% are at medium or high risk of surface water flooding (Wales: 3.9%). These are Natural Resources Wales figures for the whole authority (2025), counting homes at risk as a share of households, not street-level: Natural Resources Wales' flood maps show the risk for a single address.Source: Natural Resources Wales flood risk assessment, 2025 (via StatsWales) ↗
How much rain does Merthyr Tydfil get?
The nearest Met Office climate station with a 1991–2020 average, Tredegar, is about 6 miles from Merthyr Tydfil. It recorded an average of 1,716 mm of rain a year over 1991–2020. That is the station's reading, not Merthyr Tydfil's own: hills and coast can change rainfall noticeably over a few miles.Source: Met Office climate averages ↗

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